1. (noun) Tooth
one of the hard, bony appendages which are borne on the jaws, or on other bones in the walls of the mouth or pharynx of most vertebrates, and which usually aid in the prehension and mastication of food
2. (noun) Tooth
fig.: Taste; palate
3. (noun) Tooth
any projection corresponding to the tooth of an animal, in shape, position, or office; as, the teeth, or cogs, of a cogwheel; a tooth, prong, or tine, of a fork; a tooth, or the teeth, of a rake, a saw, a file, a card
4. (noun) Tooth
a projecting member resembling a tenon, but fitting into a mortise that is only sunk, not pierced through
5. (noun) Tooth
one of several steps, or offsets, in a tusk. See Tusk
6. (noun) Tooth
an angular or prominence on any edge; as, a tooth on the scale of a fish, or on a leaf of a plant
7. (noun) Tooth
one of the appendages at the mouth of the capsule of a moss. See Peristome
8. (noun) Tooth
any hard calcareous or chitinous organ found in the mouth of various invertebrates and used in feeding or procuring food; as, the teeth of a mollusk or a starfish
9. (verb) Tooth
to furnish with teeth
10. (verb) Tooth
to indent; to jag; as, to tooth a saw
11. (verb) Tooth
to lock into each other. See Tooth, n., 4
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Definition of Tooth 
